{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09258_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Newport, Washington | 1940 | key map | mapsnap generated fit (2026-09-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-20"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284nm:g4284nm_g092581940:09258_1940-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Newport, Washington | 1940 | sanborn09258_003 p1 [2]","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"59"},{"label":"split_canvas_x","value":"3230.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3648.0"},{"label":"split_canvas_h","value":"4285.2"}],"created":"2026-09-20T23:46:26Z","modified":"2026-09-20T23:46:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284nm:g4284nm_g092581940:09258_1940-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284nm:g4284nm_g092581940:09258_1940-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,1071.3 1613,0.0 807.6,0.0 808.5,137.1 815.3,774.0 898.9,1070.0 1042.8,1070.3 1613,1071.3 1613,1071.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284nm:g4284nm_g092581940:09258_1940-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1029.0,663.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.0455659,48.1780694]}},{"type":"Feature","properties":{"resourceCoords":[1170.0,396.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.0410368,48.1839864]}}]}}]}